This feature is one of a number recorded in the English Heritage report on the Second World War Stop Line in the Hoo Peninsula located at the site of the First World War Anti-aircraft battery. There is a monument record for the whole First World War site (Scheduled) at TQ 77 SE 139, and for the whole Second World War site at TQ 77 SE 1354.

For this individual feature, the report states: Feature at TQ 7586 7403 – “A gun emplacement or searchlight battery, of uncertain date, comprising three small circular emplacements. It is next to the southern gun emplacement of the First World War Lodge Hill anti-aircraft battery (NRHE 1442424). It could date from pre-First World War through to Second World War linked to the defence of Lodge Hill Ordnance Depot and/or the stop line. The earthworks appear as slight features on aerial photographs taken in 1944 but current condition is unknown. This area was surveyed in by English Heritage staff in March 2006. Covered by the Scheduled area for Lodge Hill anti-aircraft battery NHLE 1401714.” (1)

<1> historic england, 2014, Hoo Peninsula Landscape Project: Second World War Stop Line: Hoo St Werburgh to Higham Marshes. Research Report 9-2014. (Bibliographic reference). SKE31599.